Table 1 
Correlation of Visual and Photographic Methods-of Camera Calibration 
(T-ll Lens Cone No. XF-2256) 
Method of Calibration 
Lens 
Aperture 
(f-stop) 
CFL 
(mm) 
D 
max 
(mm) 
Observer 
Remarks 
Multicollimator (Fairchild) 
6.3 
152.95 
0. 12 
Mrs 
Norton 
Recorded 
it 
II 
6.3 
152.95 
0. 114 
Mrs 
Norton 
Read from curve 
JTield Range (WADC) 
6.3 
152.959 
0. 114 
Sgt. 
Spriggs 
Wild T-4 Goniometer (WADC) 
Light 
Filter 
Wave Length 
Tungsten 
660 mfi 
660 mfi 
6.3 
152.901 
0.111 
Sgt. 
Spriggs 
It 
None 
520 — 
6. 3 
152.954 
0. 112 
Sgt. 
Spriggs 
Poor Image 
II 
#44 
520-580 
6.3 
152.974 
0. 116 
Sgt. 
Spriggs 
II 
#23 & #38 
570-660 
6.3 
152.932 
0. 109 
Sgt. 
Spriggs 
II 
#73 
560-590; 
6.3 
152.940 
0. 113 
Sgt. 
Spriggs 
II 
II 
690-*' 
U 
II 
II 
6.3 
152.944 
0. 113 
Mr. 
Berndsen 
II 
II 
II 
6.3 
152.947 
0. 114 
Mr. 
Sewell 
II 
II 
It 
11 
152.947 
0. 115 
Sgt. 
Spriggs 
•1 
II 
H 
6.3 
152.922 
0. 115 
Mr. 
Kosofsky 
Lens not centered 
II 
II 
II 
6; 3 
152.939 
0. 114 
Sgt. 
Spriggs 
Fluorescent 
•1 
560-590 
6.3 
152.944 
0, 113 
Sgt. 
Spriggs